VIP25/01-JavaSe/day04/TestWhile03Ex.java

import java.util.*;

class  TestWhile03Ex
{
	public static void main(String[] args) 
	{
		/*
		随机生成一个100以内的数，猜这个随机数是多少？

		从键盘输入数，如果大了，提示大了；如果小了，提示小了；如果对了，
		就不再猜了，并统计一共猜了多少次。

		提示：生成一个[a,b] 范围的随机数的方式：(int)(Math.random() * (b - a + 1) + a)
		
		Scanner sc = new Scanner(System.in);

		// while 
		int number = (int) (Math.random()*101);
		System.out.println("输入数字");
		// 猜数字
		int guess = sc.nextInt();

		while ( number != guess  ){
			//判断提示
			if ( guess > number ){
				System.out.println("大了");
			}else{
				System.out.println("小了");
			}
			//在输入
			System.out.println("输入数字");
			guess = sc.nextInt();
		}

		System.out.println("猜对了"+number);

		

		Scanner sc = new Scanner(System.in);

		// while 
		int number = (int) (Math.random()*101);
		System.out.println("输入数字");
		// 猜数字
		int guess = sc.nextInt();
		do{
			//判断提示
			if ( guess > number ){
				System.out.println("大了");
			}else{
				System.out.println("小了");
			}
			//在输入
			System.out.println("输入数字");
			guess = sc.nextInt();
		}while(number != guess);

		System.out.println("猜对了"+number);

		*/

				Scanner sc = new Scanner(System.in);

		// while 
		int number = (int) (Math.random()*101);
		System.out.println("输入数字");
		// 猜数字
		int guess = sc.nextInt();

		while ( true ){
			//判断提示
			if ( guess > number ){
				System.out.println("大了");
			}

			if ( guess < number){
				System.out.println("小了");
			}
			if ( guess == number ){
				System.out.println("猜对了"+number);
				break;
			}
			//在输入
			System.out.println("输入数字");
			guess = sc.nextInt();
		}

		

	}
}